________ twice, the postman refused to deliver our letters unless we chained our dog.

A. Being bitten      B. Bitten

C. Having bitten     D. To be bitten      

________ twice, the postman refused to deliver our letters unless we chained our dog.

A. Being bitten      B. Bitten

C. Having bitten     D. To be bitten

. ________ twice, the postman refused to deliver our letters unless we chained our dog.

A. Being bitten      B. Bitten

C. Having bitten    D. To be bitten      

______ twice, the postman refused to deliver our letters unless we chained our dog.

A. Being bitten    B. Bitten        C. Having bitten    D. To be bitten

________ twice, the postman refused to deliver our letters unless we chained our dog. 

1. A.
   Being bitten
2. B.
   Bitten
3. C.
   Having bitten
4. D.
   To be bitten